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3867252480 = 2832572131731
BaseRepresentation
bin1110011010000001…
…1001011100000000
3100222111220210002100
43212200121130000
530410004034410
61435424350400
7164556050400
oct34640313400
910874823070
103867252480
111704a66033
128bb175400
134982834a0
1428987a800
151797a28c0
hexe6819700

3867252480 has 1296 divisors, whose sum is σ = 18320649984. Its totient is φ = 743178240.

The previous prime is 3867252479. The next prime is 3867252491. The reversal of 3867252480 is 842527683.

3867252480 is a `hidden beast` number, since 386 + 7 + 25 + 248 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 124750065 + ... + 124750095.

It is an arithmetic number, because the mean of its divisors is an integer number (14136304).

Almost surely, 23867252480 is an apocalyptic number.

3867252480 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3867252480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9160324992).

3867252480 is an abundant number, since it is smaller than the sum of its proper divisors (14453397504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3867252480 is a wasteful number, since it uses less digits than its factorization.

3867252480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102 (or 78 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The square root of 3867252480 is about 62187.2372758269. The cubic root of 3867252480 is about 1569.6428359783.

The spelling of 3867252480 in words is "three billion, eight hundred sixty-seven million, two hundred fifty-two thousand, four hundred eighty".